Cessna 210-5(205) accident near Mountain Home, Idaho, August 12, 1984
On August 12, 1984 at about 7:00 pm local time, a Cessna 210-5(205), registered N8337Z, was substantially damaged in an accident near Mountain Home, Idaho (None airport). It was a personal flight under general aviation rules (Part 91). 2 people were seriously injured. The weather was visual conditions (good weather).
The NTSB's probable cause their words, unchanged
The NTSB has not yet published a probable cause for this accident. Investigations usually take one to two years; this page updates when the final report is released.
Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- August 12, 1984 · about 7:00 pm local time
- Place
- Mountain Home, Idaho · None · map
- Type
- Accident
- Injuries
- 2 people were seriously injured.
- Weather
- visual conditions (good weather)
- Aircraft
- Cessna 210-5(205) · all 210-5(205)s on the register
- Registration
- N8337Z · no longer on the register · serial 2500337
- Damage
- Substantial damage
- Flight
- Personal flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
DURING CLIMB THE RPMS STARTED TO DECREASE. THE ACFT WAS UNABLE TO MAINTAIN ALT AND A FORCED LANDING WAS MADE. DURING INVESTIGATION A BOGUS FUEL FILTER WAS FOUND BETWEEN THE FUEL CONTROL UNIT AND THE FUEL INJECTOR. THE FILTER WAS CLOGGED WITH DEBRIS. THE ENGINE WOULD NOT RUN WITH THE FILTER IN PLACE. WHEN THE FILTER WAS REMOVED, THE ENGINE RAN.
The complete narrative as the NTSB published it. The NTSB's docket holds the report as a PDF and any photographs, statements and other documents from the investigation.
The factual record from the NTSB's investigation tables, in plain English
Pilot
- Certificate: flight instructor, commercial pilot
- Ratings: multi-engine land; single-engine land; instrument: airplane; rotorcraft: helicopter
- Flight time: 7,400 hours in all; 102 in this make and model; 396 in the last 90 days; 5,900 as pilot in command
- Medical certificate: Class 2 (valid medical--no waivers/lim.)
- Seat: left
The aircraft
- Airframe total time: 3,766 hours
- Last inspection: annual inspection, June 26, 1984
- Maximum gross weight: 3,350 lb
- Seats: 6
- Landing gear: fixed
- Engine: Continental IO-470-S (piston); 0 hours total
The flight
- Departed from: U76 Mountain Home ID at 6:55 pm
- Flight plan: none
- Runway 0
- A second pilot was aboard
Weather at the time
- Light: daylight
- Wind: from 090° at 8 knots
- Visibility: 50 statute miles
- Sky: clear
- Temperature: 90°F (32°C), dew point 0°F (-18°C)
- Altimeter: 30.00 inHg
- Observation at 1:00 pm
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Crew | 1 | |||
| Passengers | 1 |
Documents from the investigation the NTSB's docket: the evidence folder behind the report
The docket, the folder of records gathered during an investigation (maintenance records, photographs, witness statements, examinations), has not been read from the NTSB for this case yet; the list appears here once it has. Open the docket at the NTSB.
Other NTSB records under N8337Z the same tail number, which may have belonged to a different aircraft at the time
Everything on this page comes from the NTSB's public records. The narrative, probable cause and findings are the NTSB's own words; the coded tables behind the report are written out in plain English, with pilots' ages, home towns and medical details left out. The documents and photographs are the NTSB's docket, shown as the NTSB released them. This site's own text never names anyone involved. A preliminary report can change; the final report usually follows one to two years later, and the page is refreshed when it does.